Coppercrazy
Bronze Member
Ok so I came across a penny that has 2 backs, but one of the backs is indented in while the other one is normal. It is slightly thicker than a normal penny but my guess is someone was messing around and just flipped over a penny and stamped it into the obverse of another. But my questions are, how could someone create enough force to do this anyways pictures are below give me your opinions please!
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